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Unitronic Performance Downpipe For B9 S4/S5 3.0TFSI

Availability:
Ships from Supplier — 3-5 Days
This item ships directly from our supplier. Typically arrives within 3-5 business days.
SKU U01O UH044-EXA
Original price $2,634.99 - Original price $2,634.99
Original price $2,634.99
$2,634.99
$2,634.99 - $2,634.99
Current price $2,634.99
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

The Unitronic Performance Downpipe for the 2017+ S4® & S5® 3.0TFSI® EA839 (CWG) engine is a direct bolt-on upgrade, designed to optimally eliminate unwanted restrictions in the factory downpipe, reduce turbo lag and enhance the exhaust note. It utilizes a 6” 400cpsi ultra high output catalytic converter, designed in partnership with Unitronic, from our emissions partners at Global Emissions Systems Inc (GESi®).

Paired with Unitronic Stage 2 Performance Software and other supporting bolt-ons, this Performance Downpipe helps yield up to 467HP / 547LB-FT on the 3.0TFSI equipped B9 S4 and S5.

Features:

  • GESi 6” G-Sport Ultra High Output UHOX 400cpsi Catalytic Converter
  • 6" to 4.5" post-cat transition with T304 Stainless Steel tubing
  • TIG-welded construction
  • OEM-style thermal isolation/heat shielding
  • Factory catalyst placement for maximum efficiency
  • Proper factory Oxygen Sensor placement maintained
  • Direct bolt-on fitment
  • Enhanced exhaust note
  • Compatible with the factory cat-back exhaust system

Required Software

  • Stage 2

What's Included:

  • Unitronic Performance Downpipe Featuring a GESi 6” G-Sport Ultra High Output UHOX 400cpsi Catalytic Converter
  • All required installation hardware and gaskets.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fitment data is currently being updated for this part. Please contact us with your VIN to confirm compatibility.